upgrade version

Author: LuciferYang

pom.xml

@@ -179,7 +179,7 @@
     <!-- org.apache.commons/commons-lang3/-->
     <commons-lang3.version>3.12.0</commons-lang3.version>
     <!-- org.apache.commons/commons-pool2/-->
-    <commons-pool2.version>2.6.2</commons-pool2.version>
+    <commons-pool2.version>2.11.1</commons-pool2.version>
     <datanucleus-core.version>4.1.17</datanucleus-core.version>
     <guava.version>14.0.1</guava.version>
     <janino.version>3.0.16</janino.version>